Sodium Bicarbonate Versus Saline for the Prevention of Contrast-induced Nephropathy

Patients in the sodium bicarbonate group (154 mEq/L) received 3 ml/kg for 1 hour before contrast medium, followed by an infusion of 1 ml/kg/h for 6 hours after the procedure

Patients assigned to the isotonic saline group received 1 ml/kg/h 0.9% sodium chloride for 12 hours before and after the procedure